Champéry (French pronunciation: [ʃɑ̃peʁi]; Arpitan: Champérié) is a municipality in the district of Monthey in the canton of Valais in Switzerland .

Champéry is first mentioned in 1286 as Champery.

The Hotel Dent-du-Midi opened in 1857. In 1969, Champéry became one of the founding villages of the Portes du Soleil ski area and resort.

Champéry has an area, as of 2011, of 39 square kilometers (15 sq mi). Of this area, 32.7% is used for agricultural purposes, while 33.4% is forested.